If a CF EU account was made in the countries where you could play CF EU, then can you log on and play on that account in the UK? Because it was made in the zones allowed. Or do you have to live there too?

Well like said from looking at the IP Restrictions map, I believe UK was highlighted red. So you can't play it. Besides UK doesn't have the license for CF EU. So I don't think you can play CF EU in the UK. I believe it was done before, but you can try and give it a shot if you want.